# SDR USAA051597

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2005
- Submitted: December 20, 2005
- Operation: Air carrier
- Aircraft: N781AU
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 25020
- Aircraft time: 40,975 hours, 40,975 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Bs 600
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA051597

## Discrepancy

FUSELAGE STA 600, BETWEEN S17L TO S18L CRACKED.  INSTALLED FAB FILLER AND STIFFENER PER TYP REPAIR 53-62-01, SRM 51-40-02, DEFECT SIZE: .5 INCH CRACK.

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